Defined in 1 files as a macro:

• include/uapi/linux/in.h, line 110 (as a macro)

Referenced in 5 files:

• net/ipv4/ip_sockglue.c
  • line 909
  • line 1055
  • line 1596
• net/mptcp/sockopt.c, line 468
• tools/testing/selftests/net/tun.c, line 300
• tools/testing/selftests/net/udpgso.c, line 324
• tools/testing/selftests/net/udpgso_bench_tx.c, line 556